/Engine/Plugins/Experimental/Mutable/Source/CustomizableObject/Public/MuCO/CustomizableObjectInstanceDescriptor.h
SeeFMultilayerProjector::FindOrCreateVirtualLayer.
[FMultilayerProjectorVirtualLayer](API\Plugins\CustomizableObject\MuCO\FMultilayerProjectorVirtualLayer) MultilayerProjectorFindOrCreateVirtualLayer ( const [FName](API\Runtime\Core\UObject\FName) & ProjectorParamName, const [FName](API\Runtime\Core\UObject\FName) & Id )